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As McKenzie speaks about his job, it is a stunning Antarctic summer's day, a balmy -15C. The view outside his window is a vast expanse of white as far as the eye can see, smoothed over by an equally vast layer of pure blue.
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The heavy and continuous days of rainfall follow a similar pattern to the last few years of wetter winters. Six of the ten wettest since records began nearly 250 years ago have been this century, according to the Met Office.